1. The powder stored in hopper will flow into filling bag automatically.2. The weighing apparatus will start to monitor the increasing volume.3. The fast filling valve will be shut off when it reaches level "1" while the slow filling is activated.4. After arriving at level "2", filling process is completed and the bag is released.5. With semi-automatic sealing machine: Sealing speed 5m/min.6. With height adjustable function, it helps bag match the sealing machine.7. With foot switch to turn on the sealing process.